[LEDE-DEV] [PATCH] config: add option to select kernel compile optimization type

[Kevin Darbyshire-Bryant]

> On 18 Jan 2018, at 09:50, Koen Vandeputte <koen.vandeputte at ncentric.com> wrote:
> 
> A lot of targets have more than sufficient space to allow
> building the kernel for speed iso size.
> 
> Export this performance option to the main config:
> 
> - Making it easy accessable for users
> - Discarding the need to adjust it in the kernel config each time
> when building from scratch and only using "make oldconfig"
> 
> Compiling for size is still the default.
> 
> Purely informational:
> 
> On my cns3xxx board, kernel size increases by ~100kB
> but boot time decreased by ~8%.
> 
> Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>

Useful option - means I can drop a local commit :-)

Tested-by: Kevin Darbyshire-Bryant <ldir at darbyshire-bryant.me.uk>

Cheers,

Kevin D-B

012C ACB2 28C6 C53E 9775  9123 B3A2 389B 9DE2 334A

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